Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 1>Q 10

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IMPORTANT

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Electromagnetic wave consists of periodically oscillating electric and magnetic vectors

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Important Questions on Electromagnetic Waves

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Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 1>Q 11

Infrared radiation is detected by

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Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 1>Q 12

An electromagnetic wave going through a vacuum is described by $E = E_{0} \sin (k x - ω t)$ , $B = B_{0} \sin (k x - ω t)$ . Then

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Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 1>Q 13

The electromagnetic waves do not transport

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Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 1>Q 14

Which of the following radiations has the least wavelength?

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Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 1>Q 15

The energy of electromagnetic wave in vacuum is given by the relation

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Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 1>Q 16

The waves used in telecommunication are

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Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 1>Q 17

The frequencies of

X

-rays,

γ

-rays and ultraviolet rays are respectively

a, b

and

c

. Then

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Physics Crash Course JEE Main>Chapter 17 - Electromagnetic Waves>Level 1>Q 18

An accelerated electron would produce